> Having a major vaccine lead to serious issues puts all of vaccines into question
This is false. Problems with AstraZeneca has little to do with any other vaccine. They're engineered entirely differently and mechanisms of action are wildly different.
Tuskegee experiment has nothing to do with covid. Yet that doesn’t stop people from mistrusting vaccines. There are a non-trivial amount of people that think all the covid vaccines are a way for Bill Gates to track you.
When we’re talking about population-level inoculation, you need to maximize trust by minimizing any perceivable harm.